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A160861 The digits of each number can be divided into two groups which have the same product. 0
11, 22, 33, 44, 55, 66, 77, 88, 99, 100, 111, 122, 133, 144, 155, 166, 177, 188, 199, 200, 212, 221, 224, 236, 242, 248, 263, 284, 300, 313, 326, 331, 339, 362, 393, 400, 414, 422, 428, 441, 482, 500, 515, 551, 600, 616, 623, 632, 661, 700, 717, 771, 800, 818 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Contains almost all primes.

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

177 is in the sequence because its digits {1,7,7} may be grouped so that 1*7=7.

632 is in the sequence because its digits {6,3,2} may be grouped so that 2*3=6.

CROSSREFS

Sequence in context: A033283 A044851 A276769 * A302575 A302801 A067042

Adjacent sequences:  A160858 A160859 A160860 * A160862 A160863 A160864

KEYWORD

nonn,base,easy

AUTHOR

Claudio Meller, May 29 2009

STATUS

approved

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Last modified October 16 16:57 EDT 2018. Contains 316271 sequences. (Running on oeis4.)